<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			body{
				margin: 0;
			}
			.c1{
				border: 5px solid red;
				margin: 10px auto;
				width: 200px;
				height: 200px;
				padding: 20px;
			}
			.c2{
				border: 5px solid blue;
				margin: 15px;
			}
		</style>
	</head>
	<body>
		<div class="c1">123</div>
		<div class="c2">ABC</div>
	</body>
</html>
